js 操作 json

	var data = 'id='+$('#menuThree').val();
		$.ajax({
			 url:'queryProductProperty.action',   
			 data:data,
			 type:'post',
			 cache:false,
			 error:function(){
			 },
			 success:function(result){
			 		var result = eval('('+result+')');
			 		var obj = {};
			 		for(var i=0;i<result.length;i++)
			 		{
					//	[{"classId":10,"id":4,"meij":0,"propertyDesc":"","propertyName":"期数","state":1}]
			 			for(var j in result[i])
			 			{
			 				if(j == 'classId')
			 				{
			 					obj.classId = result[i][j];
			 				}else if(j == 'id')
			 				{
			 					obj.id = result[i][j];
			 				}
			 			}	
			 		}
				},
				error:function()
				{
					alert('请稍后再试或联系管理员.');
				}
		   });